IPBSA Project 1 - Repository

IBPSA Project 1 WP 2.2 - Geometry Processing

This repository is the coding repository of IBPSA Project 1 Work Package 2.2 (BIM).

Link list

Internal links

External links

• IPBSA Project 1 - WP 2.2 Repository
• IfcStatistics site. For access contact fichter@e3d.rwth-aachen.de. Scans all files from IFC_Files folder. Supported file formats .ifc and .ifczip (please only one .ifc file per .ifczip archive). Maximum file size 100 MB.
• UDK Code Repository

Tools and libraries IFC-Parser and BRep creator: IfcOpenShell (Python)
Geometry kernel: OpenCascade (PythonOCC)

1. Operating system: Windows/Linux/MacOS
2. Python: 3.X, recommended is Python 3.5 or Python 3.6
3. IfcOpenShell: v. 0.6 - Link
4. PythonOCC: v. 0.18.1 (OpenCascade) - Link

Installation of IfcOpenShell and PythonOCC

1. Install Conda
2. Run conda install -c conda-forge -c dlr-sc -c pythonocc -c oce pythonocc-core==0.18.1
3. Get IfcOpenShell. Build it using cmake or use the prebuilt versions:
   • Prebuilt for Linux (64bit for Python 3.6)
   • Prebuilt for Windows (64 bit for Python 3.6)
4. Add IfcOpenShell folder to Python packages

IFC test files
Single objects for testing the BRep creation